OP
stealthtransam
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RJack. Thank you for the comments. You are correct I hope i never have to make a free ascent from 130 fsw.
As for your comments on your psi calculations for turn around no I haven't calculated those yet. I just purchased the 117's. All of my calculations have been based on 80's so if all of my calculations are based on the 80's I should have the added air in reserve on the 117's.
I've performed 12 dives of 100 ft or deeper in the last 1-2 years. 2 of which were last month. I do dive every 2-3 months. So i'm familiar with my breathing rate at 100-130ft on an 80cu tank.
As for your comments on your psi calculations for turn around no I haven't calculated those yet. I just purchased the 117's. All of my calculations have been based on 80's so if all of my calculations are based on the 80's I should have the added air in reserve on the 117's.
I've performed 12 dives of 100 ft or deeper in the last 1-2 years. 2 of which were last month. I do dive every 2-3 months. So i'm familiar with my breathing rate at 100-130ft on an 80cu tank.